He was earlier being held on suspicion of possessing drugs. Police found his wife’s body when searching their Chelsea, London, home after his drugs arrest, the BBC reported. He was then re-arrested over her death.

In 2008, the couple faced legal trouble after crack, heroin, and cocaine were found in their home.

Tetra Pak has close to 22,000 employees, based in 85 countries. Rausing’s father, Hans Rausing Senior, is reportedly worth an estimated $10 billion.